Which of the following is NOT an issue you should consider when considering the quality of collected data?

Question

BlackTom AI · Accepted Answer

To evaluate the quality of collected data, we need to consider several potential issues that can bias or distort the results.
Option 1: 'If some initial data sources have dropped out, could there be systematic reasons for this?' This raises a concern about attrition or dropout bias. If the dropouts are not random, the remaining data may no longer be representative, which is an important data quality issue.
Option 2: 'Has random sampling been used?' The use of random sampling is a fundamental quality consideration. Lack of random sampling can introduce selection bias and limit generalizability, so it is indeed a key issue to assess.
Option 4: 'Are there selection biases?' Directly flags a major data-quality threat. Selection bias occurs when the sample is not representative of the population, skewing results.
Option 5: 'Are there any confounding variables?' Confounding variables can obscure true relationships by providing alternative explanations for observed associations. Identifying and addressing confounders is critical for data quality and valid conclusions.
Option 3: 'ALL of these statements are issues that you should be considered.' This option asserts that every listed factor is a data-quality issue. Since each of the preceding options points to a legitimate concern in evaluating data quality, the comprehensive view that all of them are important is accurate.
Overall, recognizing attrition-related biases, sampling design, selection biases, and confounding variables collectively covers the major quality concerns that researchers should examine when assessing collected data. Each individual option highlights a real issue, and together they form a complete checklist of data-quality considerations.

ATHK1X01 Mastery Quiz 04

Which of the following is NOT an issue you should consider when considering the quality of collected data?

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